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Finding the Fourth Proportional to 360,249.30, 540,384.93 and 123,588.63

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Solution

The fourth proportional to 360,249.30, 540,384.93 and 123,588.63 is: 185,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,249.30 : 540,384.93 = 123,588.63 : x
  2. Step 2: Convert to fraction form
    360,249.30/540,384.93 = 123,588.63/x
  3. Step 3: Cross multiply
    360,249.30x = 540,384.93 × 123,588.63
  4. Step 4: Simplify right side
    360,249.30x = 66,785,433,171.35
  5. Step 5: Solve for x
    x = 66,785,433,171.35/360,249.30
  6. Step 6: Final answer
    x = 185,386.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.